08-03-2020, 08:26 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Quote:
Originally Posted by Moriarty
I am seeing about 55A @ 3000 rpm.
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I watched the vid, and 55 amps is going somewhere.  Let me make sure I understand though that the behavior is the same when measured at the battery and the alternator. If that inductive gauge is clamped right at the positive terminal of the battery cable and it's measuring 55 amps when you rev, then the current is going in to the battery and is not shorting out somewhere upstream. Let's check the easy stuff first. Maybe there's a bad connection on the battery terminals. Take them apart, clean them up, tighten them down good, and repeat the test. If the results are the same, pull the battery out and put a known-to-be-good battery in, maybe from one of your daily drivers, and retest. |
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